Zeonex Zeonor Cyclo Olefin Polymer Cop Medical Grades Are An Extremely Pure Resin Containing Lessthandetectable Residual Metals Or Process Aides Compared With Conventional Barrier Polymers Pharmaceuticals Packaged Using Zeonex Cyclo Olefin Polymer Cop Have Significantly Reduced The Risk Of Contamination From Offgassing Or Extractables